From: Or Gerlitz <ogerlitz@mellanox.com>
Date: Tue, 13 Jun 2017 11:09:57 +0300
Subject: net/mlx5e: Add header re-write offloading of IPv6 hop-limit
Patch-mainline: v4.13-rc1
Git-commit: 0c0316f516f51e6fcd0b23d61c37f9f5f846f978
References: bsc#1046303 FATE#322944
For environments where flow-based ipv6 router is offloaded.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Paul Blakey <paulb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 1 +
include/linux/mlx5/mlx5_ifc.h | 1 +
2 files changed, 2 insertions(+)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -1081,6 +1081,7 @@ static struct mlx5_fields fields[] = {
OFFLOAD(DIPV6_95_64, 4, ip6.daddr.s6_addr32[1], 0),
OFFLOAD(DIPV6_63_32, 4, ip6.daddr.s6_addr32[2], 0),
OFFLOAD(DIPV6_31_0, 4, ip6.daddr.s6_addr32[3], 0),
+ OFFLOAD(IPV6_HOPLIMIT, 1, ip6.hop_limit, 0),
OFFLOAD(TCP_SPORT, 2, tcp.source, 0),
OFFLOAD(TCP_DPORT, 2, tcp.dest, 0),
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -4620,6 +4620,7 @@ enum {
MLX5_ACTION_IN_FIELD_OUT_DIPV6_31_0 = 0x14,
MLX5_ACTION_IN_FIELD_OUT_SIPV4 = 0x15,
MLX5_ACTION_IN_FIELD_OUT_DIPV4 = 0x16,
+ MLX5_ACTION_IN_FIELD_OUT_IPV6_HOPLIMIT = 0x47,
};
struct mlx5_ifc_alloc_modify_header_context_out_bits {